Home›More›Articles›From a frontier county to a fixed borderArticleFrom a frontier county to a fixed borderArticlesConnectionsSourcesComments (0)Reader Challenges (0)ConnectionsArticle OnPortugal, Countries Well-attested SourcesPortugal (Wikipedia)tier 2Wikimedia FoundationHistory, Reconquista and independenceQuote, History, Reconquista and independenceWith minor readjustments, Portugal's borders have largely remained the same since the signing of the Treaty of Alcañices between Denis of Portugal and Fernando IV of Castile in 1297.View the SourceAtlas Article VocabularyComments (0)No comments yet. Be the first to share a thought.Sign in to join the discussion.Reader Challenges (0)No disputes yet. Spotted an error or a better source? Open the first one.Sign in to dispute this or suggest a correction.